Sequence chunking through neural encoding of ordinal positions
Nai Ding
No information about this author
Trends in Cognitive Sciences,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 1, 2025
Grouping
sensory
events
into
chunks
is
an
efficient
strategy
to
integrate
information
across
long
sequences
such
as
speech,
music,
and
complex
movements.
Although
can
be
constructed
based
on
diverse
cues
(e.g.,
features,
statistical
patterns,
internal
knowledge)
recent
studies
have
consistently
demonstrated
that
the
by
different
are
all
tracked
low-frequency
neural
dynamics.
Here,
I
review
evidence
chunking
drive
activity
in
modality-dependent
networks,
which
interact
generate
chunk-tracking
broad
brain
areas.
Functionally,
this
work
suggests
a
core
computation
underlying
sequence
may
assign
each
event
its
ordinal
position
within
chunk
causally
implemented
during
predictive
chunking.
Language: Английский
Moving rhythmically can facilitate naturalistic speech perception in a noisy environment
Proceedings of the Royal Society B Biological Sciences,
Journal Year:
2025,
Volume and Issue:
292(2044)
Published: April 1, 2025
The
motor
system
is
known
to
process
temporal
information,
and
moving
rhythmically
while
listening
a
melody
can
improve
auditory
processing.
In
three
interrelated
behavioural
experiments,
we
demonstrate
that
this
effect
translates
speech
Motor
priming
improves
the
efficiency
of
subsequent
naturalistic
speech-in-noise
processing
under
specific
conditions.
(i)
Moving
at
lexical
rate
(~1.8
Hz)
significantly
compared
other
rates,
such
as
phrasal
or
syllabic
rates.
(ii)
impact
rhythmic
not
influenced
by
whether
it
self-generated
triggered
an
beat.
(iii)
Overt
vocalization,
regardless
its
semantic
content,
also
enhances
These
findings
provide
evidence
for
functional
role
in
dynamics
speech.
Language: Английский
EEG Responses to Onset-edge and Steady-state Segments of Continuous Speech Under Selective Auditory Attention Modulation
Lei Wang,
No information about this author
Fei Chen
No information about this author
Hearing Research,
Journal Year:
2025,
Volume and Issue:
463, P. 109298 - 109298
Published: May 4, 2025
Language: Английский
Different sustained and induced alpha oscillations emerge in the human auditory cortex during sound processing
Communications Biology,
Journal Year:
2024,
Volume and Issue:
7(1)
Published: Nov. 26, 2024
Abstract
Alpha
oscillations
in
the
auditory
cortex
have
been
associated
with
attention
and
suppression
of
irrelevant
information.
However,
their
anatomical
organization
interaction
other
neural
processes
remain
unclear.
Do
alpha
function
as
a
local
mechanism
within
most
sources
to
regulate
internal
excitation/inhibition
balance,
or
do
they
belong
separated
inhibitory
gating
information
across
network?
To
address
this
question,
we
acquired
intracerebral
electrophysiological
recordings
from
epilepsy
patients
during
rest
tones
listening.
Thanks
independent
component
analysis,
disentangled
different
labeled
them
“oscillatory”
if
presented
strong
at
rest,
and/or
“evoked”
displayed
significant
evoked
response
stimulation.
Our
results
show
that
1)
are
condition-specific
segregated
cortex,
2)
both
high-gamma
followed
by
an
induced
suppression,
3)
only
oscillatory
present
sustained
all
stimulation
period.
We
hypothesize
there
two
cortex:
bottom-up
indicating
selective
engagement
primary
process
stimuli,
reflecting
general
disinhibited
state
network
sensory
Language: Английский